| Abacus Technology | Accenture | ACM Wireless Solutions |
| Acumen Solutions | Adobe Systems Inc | ADP |
| Advanced Information Systems, Inc. | Advanced Resource Technologies. Inc. | Agape Circle, LLC |
| Airtran | Akimeka | Anthem Blue Cross Blue Shield |
| APL Limited | ARINC | ASM |
| AT&T | AXIS Capital | BAEsystems |
| Baker Hughes | Baker Oil Tools | Baylor Health Care System |
| Baytree Associates, Inc. | BEA | Bexar County Information Services |
| BioMarin Pharmaceutical Inc. | BJ Services compay | Black Hills Corporation |
| Blood Systems, Inc. | Booz Allen Hamilton | Business Objects |
| Cambridge Technologies Partners | Capgemini Government Solutions | Capital One |
| CapRock Communications | Captech Ventures | Cardinal Technologies |
| Catapult Technologies | CCC Information Services Inc. | Centra Technology |
| Champion Solutions Group | CheckFree | CHEP |
| Chevron | Chrysalis Global | Cigna |
| Cincinnati Bell | Cincinnati Bell Technology Solutions | Cleveland Clinic |
| Cobb County Government | Conoco Phillips | Contrax Furnishings, Inc |
| Convergys Corporation | Coors Brewing | Core Management |
| Coventry Health Care, Inc. | Creative Information Technologies, Inc. | CTG |
| Curam Software | Cyberonics | Dallas County |
| Defense Commissary Agency | Department of Defense | Dot Hill Systems Corp. |
| Equifax | ESS | Express Scripts |
| Federal Aviation Administration | Federal Reserve Board | Federal Supreme Court of Appeals |
| Fidelity Investments | FIS Capital | FlexTech, Inc. |
| FLIR | Fluor Hanford | Force 3 |
| GE Financial | General Physics Corporation | Gentiva Health Serviecs |
| Geoeye | Gerneral Dynamics Information Technology | GIS Solutions Inc, |
| H.J. Heinz | Hankins and Anderson Engineering | Harris |
| Health Services Corp. | Healthcare Technology ILC, LLC. | Hess Corporation |
| Hewitt | Honeywell | HP |
| Huckabee, Inc. | IBM | Idaho National Laboratory |
| iGov Technologies | Impact Advisors | InDyne Inc. |
| Ingersoll Rand | Inserso | Invensys |
| ITConvergance | Johnson & Johnson | JPMorgan Chase |
| Kaseman | Kaseman, LLC. | KAYRUS Solutions, LLC. |
| Keane Inc. | KLA-Tencor | Knovel |
| Knowledge Consulting Group, Inc. | KSJ & Associates, Inc. | L-3 Communications |
| Land America Financial | Lockheed Martin Corporation | Logica |
| M.C. Dean, Inc. | Magenic Technologies | MARTA |
| Maryland State Lottery | McNeil Technologies | Methodist Hospital |
| Microsoft Corporation | Motorists Mutual Insurance Company | Motorola |
| Mystikal Solutions, LLC | National Australia Bank | National Railroad Passenger Corporation (Amtrak) |
| NCCI, Inc. | NGIT | Nortel |
| NorthHighland | Northrop Grumman | Oracle |
| PCServiceNet | Penn Medicine | Perot Systems, Inc. |
| Philip Morris USA | Progressive Insurance | Qimonda |
| QinetiQ North America | R. Wingo Consulting Corp | Rapier Solutions, Inc. |
| Richmond Web | RS Information System/CPC | RSA Corp |
| RSIS | SAIC | SAIC |
| SE Solutions, inc. | Serco | Sev1tech |
| Sevatec | Siemens | Siemens Energy & Automation |
| Siemens VDO Corporation | Silverpop | Sogeti |
| Sony Music Entertainment, Inc. | SRI International | Standard Chartered Banks |
| State Compensation Insurance Fund | State of New Mxico | Sungard Data Systems |
| Synergy Partners Inc. | Sysco | TetraTech |
| The Federal Reserve Bank | The Kemtah Group | The TriZetto Group, Inc. |
| Tribune Company | Trimble | U.S Veterans Affairs |
| U.S. Army Corps of Engineers | U.S. Food and Drug Administration | U.S. Forest Service |
| U.S. Securities and Exchange Commission (SEC) | United Health Care (UHC) | United Health Group |
| University of Massachusetts | UNOS | US Air Force |
| US Marine Corps | USArmy | Valador |
| Virginia Commonwealth University | Virginia Department of Accounts | Virginia Department of Forestry |
| Virginia Department Of Health | Virginia Department of Medical Assistance | Virginia Department of Railway Transportation |
| Virginia Employment Commission | Virginia Information Technology Association | Virginia State Police |
| Visa USA | Wachovia | Wachovia Securities |
| WebCole | Wellpoint | |